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Almeida LF, Gil GA, Moraes LN, Furtado FB, Kakuda L, Grotto RMT, Oliveira WP. Nanostructured lipid carriers loaded with essential oils: a strategy against SARS-CoV-2. J Microencapsul 2024:1-12. [PMID: 38686964 DOI: 10.1080/02652048.2024.2348463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 04/24/2024] [Indexed: 05/02/2024]
Abstract
This work aimed to investigate the effectiveness of Lippia sidoides and Syzygium aromaticum essential oils (EOs) encapsulated in nanostructured lipid carriers (NLCs) as SARS-CoV-2 inhibitors through virucidal activity assessment. We developed anionic and cationic NLCs loaded with the EOs and assessed their physicochemical properties and SARS-CoV-2 virucidal activity, focusing on the effects of EO type and the NLCs composition. The NLCs exhibited particle sizes of 141.30 to 160.53 nm for anionic and 109.30 to 138.60 nm for cationic types, with PDIs between 0.16 and 0.25. High zeta potentials (>29.0 in modulus) indicated stable formulations. The NLCs effectively encapsulated the EOs, achieving encapsulation efficiencies between 84.6 to 100% w/w of marker compound. The EOs-loaded NLCs reduced the SARS-CoV-2 virion count, exceeding 2 logs over the control. NLCs loaded with Lippia sidoides and Syzygium aromaticum EOs represent an innovative strategy for combating SARS-CoV-2.
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Affiliation(s)
- L F Almeida
- Laboratory of Applied Biotechnology, Clinical Hospital of the Medical School, São Paulo State University (UNESP), Botucatu, Brazil
| | - G A Gil
- Laboratory of Pharmaceutical Processes/LAPROFAR, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - L N Moraes
- Laboratory of Applied Biotechnology, Clinical Hospital of the Medical School, São Paulo State University (UNESP), Botucatu, Brazil
- Department of Bioprocess and Biotechnology, School of Agriculture, São Paulo State University (UNESP), Botucatu, Brazil
| | - F B Furtado
- Department of Bioprocess and Biotechnology, School of Agriculture, São Paulo State University (UNESP), Botucatu, Brazil
- Medical School, São Paulo State University (UNESP), Botucatu, Brazil
| | - L Kakuda
- Laboratory of Pharmaceutical Processes/LAPROFAR, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - R M T Grotto
- Laboratory of Applied Biotechnology, Clinical Hospital of the Medical School, São Paulo State University (UNESP), Botucatu, Brazil
- Department of Bioprocess and Biotechnology, School of Agriculture, São Paulo State University (UNESP), Botucatu, Brazil
- Medical School, São Paulo State University (UNESP), Botucatu, Brazil
| | - W P Oliveira
- Laboratory of Pharmaceutical Processes/LAPROFAR, Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
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2
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Mousavi-Simakani SM, Azadi A, Tanideh N, Omidifar N, Ghasemiyeh P, Mohammadi-Samani S. Simvastatin-Loaded Nanostructured Lipid Carriers as Topical Drug Delivery System for Wound Healing Purposes: Preparation, Characterization, and In Vivo Histopathological Studies. Adv Pharm Bull 2023; 13:761-771. [PMID: 38022815 PMCID: PMC10676542 DOI: 10.34172/apb.2023.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 04/12/2023] [Accepted: 05/17/2023] [Indexed: 12/01/2023] Open
Abstract
Purpose Simvastatin, a 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitor, is a commonly used drug to reduce total cholesterol and low-density lipoprotein (LDL) levels. Furthermore, several mechanisms showed the wound-healing potential of statins, especially simvastatin. Simvastatin is a lipophilic drug, therefore, it has low water solubility with limited skin permeability potential. In this regard, nanostructured lipid carriers (NLCs) were recruited as novel topical drug delivery systems to enhance skin adhesion and film formation, maintain skin integrity, sustain the release of simvastatin, and prolong simvastatin skin deposition to help pressure ulcers healing and regeneration. Methods NLCs were fabricated using the solvent diffusion evaporation technique. Drug loading, in vitro drug release, and morphological assessment on the optimized formulation were considered. Furthermore, in vivo effect of simvastatin-loaded NLCs gel on pressure ulcer healing was assessed using a rat skin model. Histopathological assessments were compared with conventional simvastatin gel and drug-free NLCs gel. Results Simvastatin-loaded NLC with an average diameter of 100 nm was considered as the optimum formulation. According to the results entrapment efficiency of simvastatin within the NLCs was about 99.4%. Drug release studies revealed sustained drug release from NLCs in which about 87% of the drug was slowly released during 48 hours. Animal study results confirmed that simvastatin-loaded NLCs gel has better efficacy on pressure ulcers and could significantly reduce inflammation, and promote skin regeneration compared to both drug-free NLCs and conventional simvastatin gels. Conclusion Simvastatin-loaded NLCs with an average particle size of 100 nm would be a promising novel topical drug delivery system with sustained drug release potential for pressure ulcer treatment.
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Affiliation(s)
| | - Amir Azadi
- Department of Pharmaceutics, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nader Tanideh
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Navid Omidifar
- Department of Pathology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Parisa Ghasemiyeh
- Department of Clinical Pharmacy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
- Pharmaceutical Sciences Research Center, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Soliman Mohammadi-Samani
- Department of Pharmaceutics, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
- Pharmaceutical Sciences Research Center, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
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3
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Motsoene F, Abrahamse H, Dhilip Kumar SS. Multifunctional lipid-based nanoparticles for wound healing and antibacterial applications: A review. Adv Colloid Interface Sci 2023; 321:103002. [PMID: 37804662 DOI: 10.1016/j.cis.2023.103002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/13/2023] [Accepted: 09/21/2023] [Indexed: 10/09/2023]
Abstract
Wound healing primarily involves preventing severe infections, accelerating healing, and reducing pain and scarring. Therefore, the multifunctional application of lipid-based nanoparticles (LBNs) has received considerable attention in drug discovery due to their solid or liquid lipid core, which increases their ability to provide prolonged drug release, reduce treatment costs, and improve patient compliance. LBNs have also been used in medical and cosmetic practices and formulated for various products based on skin type, disease conditions, administration product costs, efficiency, stability, and toxicity; therefore, understanding their interaction with biological systems is very important. Therefore, it is necessary to perform an in-depth analysis of the results from a comprehensive characterization process to produce lipid-based drug delivery systems with desired properties. This review will provide detailed information on the different types of LBNs, their formulation methods, characterisation, antimicrobial activity, and application in various wound models (both in vitro and in vivo studies). Also, the clinical and commercial applications of LBNs are summarized.
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Affiliation(s)
- Fezile Motsoene
- Laser Research Centre, University of Johannesburg, Johannesburg, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, University of Johannesburg, Johannesburg, South Africa
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Alonso-Carrillo D, Carreira-Barral I, Mielczarek M, Sancho-Medina A, Herran E, Vairo C, Del Pozo A, Luzuriaga I, Lazcanoiturburu N, Ibarrola O, Ponce S, Villar-Vidal M, García-Valverde M, Quesada R. Formulation and evaluation of anion transporters in nanostructured lipid carriers. Org Biomol Chem 2023; 21:7753-7757. [PMID: 37691616 DOI: 10.1039/d3ob01182h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Six novel click-tambjamines (1-6) bearing an alkyl chain of varying length linked to the imine moiety have been formulated in nanostructured lipid carriers (NLCs) to evaluate their transmembrane anion transport activity both when free (i.e., not encapsulated) and nanoformulated. Nanostructured lipid carriers (NLCs) are an example of drug delivery systems (DDSs) that stand out because of their versatility. In this work we show that NLCs can be used to efficiently formulate highly lipophilic anionophores and experiments conducted in model liposomes reveal that these formulations are adequate to deliver anionophores without compromising their transport activity. This result paves the way to facilitate the study of highly lipophilic anionophores and their potential use as future drugs.
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Affiliation(s)
| | | | - Marcin Mielczarek
- Departamento de Química, Universidad de Burgos, Burgos 09001, Spain.
| | | | - Enara Herran
- Biokeralty Research Institute AIE, Hermanos Lumière 5, 01510 Miñano, Spain
| | - Claudia Vairo
- Biokeralty Research Institute AIE, Hermanos Lumière 5, 01510 Miñano, Spain
| | - Angel Del Pozo
- Biokeralty Research Institute AIE, Hermanos Lumière 5, 01510 Miñano, Spain
| | - Iris Luzuriaga
- Biokeralty Research Institute AIE, Hermanos Lumière 5, 01510 Miñano, Spain
| | | | - Oihane Ibarrola
- Biokeralty Research Institute AIE, Hermanos Lumière 5, 01510 Miñano, Spain
| | - Sara Ponce
- Biokeralty Research Institute AIE, Hermanos Lumière 5, 01510 Miñano, Spain
| | - María Villar-Vidal
- Biokeralty Research Institute AIE, Hermanos Lumière 5, 01510 Miñano, Spain
| | | | - Roberto Quesada
- Departamento de Química, Universidad de Burgos, Burgos 09001, Spain.
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Gandhi S, Roy I. Lipid-Based Inhalable Micro- and Nanocarriers of Active Agents for Treating Non-Small-Cell Lung Cancer. Pharmaceutics 2023; 15:pharmaceutics15051457. [PMID: 37242697 DOI: 10.3390/pharmaceutics15051457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/28/2023] [Accepted: 05/04/2023] [Indexed: 05/28/2023] Open
Abstract
Non-small-cell lung cancer (NSCLC) afflicts about 2 million people worldwide, with both genetic (familial) and environmental factors contributing to its development and spread. The inadequacy of currently available therapeutic techniques, such as surgery, chemotherapy, and radiation therapy, in addressing NSCLC is reflected in the very low survival rate of this disease. Therefore, newer approaches and combination therapy regimens are required to reverse this dismal scenario. Direct administration of inhalable nanotherapeutic agents to the cancer sites can potentially lead to optimal drug use, negligible side effects, and high therapeutic gain. Lipid-based nanoparticles are ideal agents for inhalable delivery owing to their high drug loading, ideal physical traits, sustained drug release, and biocompatibility. Drugs loaded within several lipid-based nanoformulations, such as liposomes, solid-lipid nanoparticles, lipid-based micelles, etc., have been developed as both aqueous dispersed formulations as well as dry-powder formulations for inhalable delivery in NSCLC models in vitro and in vivo. This review chronicles such developments and charts the future prospects of such nanoformulations in the treatment of NSCLC.
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Affiliation(s)
- Sona Gandhi
- Department of Chemistry, School of Basic & Applied Sciences, Galgotias University, Greater Noida 203201, India
| | - Indrajit Roy
- Department of Chemistry, University of Delhi, Delhi 110007, India
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Karami F, Saber-Samandari S. Synthesis and characterization of a novel hydrogel based on carboxymethyl chitosan/sodium alginate with the ability to release simvastatin for chronic wound healing. Biomed Mater 2023; 18:025001. [PMID: 36603225 DOI: 10.1088/1748-605x/acb0a3] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 01/05/2023] [Indexed: 01/06/2023]
Abstract
Since wound dressing has been considered a promising strategy to improve wound healing, recent attention has been focused on the development of modern wound dressings based on synthetic and bioactive polymers. In this study, we prepared a multifunctional wound dressing based on carboxymethyl chitosan (CMC)/sodium alginate (Alg) hydrogel containing a nanostructured lipid carrier (NLC) in which simvastatin (SIM) has been encapsulated. This dressing aimed to act as a barrier against pathogens, eliminate excess exudates, and accelerate wound healing. Among various fabricated composites of dressing, the hydrogel composite with a CMC/sodium Alg ratio of 1:2 had an average pore size of about 98.44 ± 26.9 μm and showed 707 ± 31.9% swelling and a 2116 ± 79.2 g m-2per day water vapor transfer rate (WVTR), demonstrating appropriate properties for absorbing exudates and maintaining wound moisture. The NLC with optimum composition and properties had a spherical shape and uniform particle size distribution (74.46 ± 7.9 nm). The prepared nanocomposite hydrogel displayed excellent antibacterial activity againstEscherichia coliandStaphylococcus aureusas well as high biocompatibility on L929 mouse fibroblast cells. It can release the loaded SIM drug slowly and over a prolonged period of time. The highest drug release occurred (80%) within 14 d. The results showed that this novel nanocomposite could be a promising candidate as a wound dressing for treating various chronic wounds in skin tissues.
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Affiliation(s)
- Fatemeh Karami
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Saeed Saber-Samandari
- New Technologies Research Center, Amirkabir University of Technology, Tehran, Iran
- Composites Research Laboratory (CRLab), Amirkabir University of Technology, Tehran, Iran
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Prakashan D, Roberts A, Gandhi S. Recent advancement of nanotherapeutics in accelerating chronic wound healing process for surgical wounds and diabetic ulcers. Biotechnol Genet Eng Rev 2023:1-29. [PMID: 36641600 DOI: 10.1080/02648725.2023.2167432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 01/08/2023] [Indexed: 01/16/2023]
Abstract
One of the greatest challenges faced during surgical procedures is closing and healing of wounds, which are essential in the field of orthopaedics, trauma, intensive care and general surgery. One of the main causes of death has been linked to chronic wounds, especially in immunosuppressant or diabetic patients. Due to increasing chronic wound fatality along with different pathologies associated with them, the current therapeutic methods are insufficient which has established an eminent need for innovative techniques. Traditionally, wound healing was carried out using formulations and ointments containing silver combined with different biomaterial, but was found to be toxic. Hence, the advent of alternative nanomaterial-based therapeutics for effective wound healing have come into existence. In this review, we have discussed an overview of wound infections such as different wound types, the wound healing process, dressing of wounds and conventional therapies. Furthermore, we have explored various nanotechnological advances made in wound healing therapy which include the use of promising candidates such as organic, inorganic, hybrid nanoparticles/nanocomposites and synthetic/natural polymer-based nanofibers. This review further highlights nanomaterial-based applications for regeneration of tissue in wound healing and can provide a base for researchers worldwide to contribute to this advancing medical area of wound therapy.
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Affiliation(s)
- Drishya Prakashan
- DBT-National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India
- DBT-Regional Centre for Biotechnology (RCB), Faridabad, Haryana, India
| | - Akanksha Roberts
- DBT-National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India
- DBT-Regional Centre for Biotechnology (RCB), Faridabad, Haryana, India
| | - Sonu Gandhi
- DBT-National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India
- DBT-Regional Centre for Biotechnology (RCB), Faridabad, Haryana, India
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8
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Jiang T, Li Q, Qiu J, Chen J, Du S, Xu X, Wu Z, Yang X, Chen Z, Chen T. Nanobiotechnology: Applications in Chronic Wound Healing. Int J Nanomedicine 2022; 17:3125-3145. [PMID: 35898438 PMCID: PMC9309282 DOI: 10.2147/ijn.s372211] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 07/06/2022] [Indexed: 12/15/2022] Open
Abstract
Wounds occur when skin integrity is broken and the skin is damaged. With progressive changes in the disease spectrum, the acute wounds caused by mechanical trauma have been become less common, while chronic wounds triggered with aging, diabetes and infection have become more frequent. Chronic wounds now affect more than 6 million people in the United States, amounting to 10 billion dollars in annual expenditure. However, the treatment of chronic wounds is associated with numerous challenges. Traditional remedies for chronic wounds include skin grafting, flap transplantation, negative-pressure wound therapy, and gauze dressing, all of which can cause tissue damage or activity limitations. Nanobiotechnology — which comprises a diverse array of technologies derived from engineering, chemistry, and biology — is now being applied in biomedical practice. Here, we review the design, application, and clinical trials for nanotechnology-based therapies for chronic wound healing, highlighting the clinical potential of nanobiotechnology in such treatments. By summarizing previous nanobiotechnology studies, we lay the foundation for future wound care via a nanotech-based multifunctional smart system.
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Affiliation(s)
- Tao Jiang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Qianyun Li
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Jinmei Qiu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
| | - Jing Chen
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Shuang Du
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
| | - Xiang Xu
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Zihan Wu
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Xiaofan Yang
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Zhenbing Chen
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Tongkai Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China
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Collantes M, Vairo C, Erhard Á, Navas C, Villullas S, Ecay M, Pareja F, Quincoces G, Gainza G, Peñuelas I. Preclinical safety of negatively charged microspheres (NCMs): optimization of radiolabeling for in vivo and ex vivo biodistribution studies after topical administration on full-thickness wounds in a rat model. Eur J Pharm Biopharm 2022; 177:61-67. [PMID: 35697288 DOI: 10.1016/j.ejpb.2022.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 06/01/2022] [Accepted: 06/04/2022] [Indexed: 11/15/2022]
Abstract
Negatively charged microspheres (NCMs) are postulated as a new form of treatment for chronic wounds. Despite the efficacy shown at clinical level, more studies are required to demonstrate their safety and local effect. The objective of the work was to confirm the lack of NCM systemic absorption performing a biodistribution study of the NCMs in an open wound rat animal model. To this end, radiolabeling of NCMs with technetium-99m was optimized and biodistribution studies were performed by in vivo SPEC/CT imaging and ex vivo counting during 24 h after topical administration. The studies were performed on animals treated with a single or repeated dose to study the effect of macrophages during a prolonged treatment. NCM radiolabeling was achieved in a simple, efficient and stable manner with high yield. SPECT/CT images showed that almost all NCMs (about 85 %) remained on the wound for 24 h either after single or multiple administrations. Ex vivo biodistribution studies confirmed that there was no accumulation of NCMs in any organ or tissue except in the wound area, suggesting a lack of absorption. In conclusion, NCMs can be considered safe as local wound treatment since they remain at the administration area.
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Affiliation(s)
- María Collantes
- Translational Molecular Imaging Unit (UNIMTRA), Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; RADIOMIN Research Group, Radiopharmacy Unit, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; Nuclear Medicine Department, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; Instituto de Investigación Sanitaria de Navarra (IdiSNA), Spain
| | - Claudia Vairo
- BioKeralty Research Institute AIE, Albert Einstein, 25-E3, 01510, Miñano, Spain
| | - Álvaro Erhard
- Translational Molecular Imaging Unit (UNIMTRA), Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; RADIOMIN Research Group, Radiopharmacy Unit, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; Nuclear Medicine Department, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain
| | - Cristina Navas
- Translational Molecular Imaging Unit (UNIMTRA), Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain
| | - Silvia Villullas
- BioKeralty Research Institute AIE, Albert Einstein, 25-E3, 01510, Miñano, Spain
| | - Margarita Ecay
- Translational Molecular Imaging Unit (UNIMTRA), Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; RADIOMIN Research Group, Radiopharmacy Unit, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; Nuclear Medicine Department, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain
| | - Félix Pareja
- Nuclear Medicine Department, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain
| | - Gemma Quincoces
- RADIOMIN Research Group, Radiopharmacy Unit, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; Nuclear Medicine Department, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; Instituto de Investigación Sanitaria de Navarra (IdiSNA), Spain
| | - Garazi Gainza
- BioKeralty Research Institute AIE, Albert Einstein, 25-E3, 01510, Miñano, Spain.
| | - Iván Peñuelas
- Translational Molecular Imaging Unit (UNIMTRA), Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; RADIOMIN Research Group, Radiopharmacy Unit, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; Nuclear Medicine Department, Clínica Universidad de Navarra, Avenida Pío XII, 31080, Pamplona, Spain; Instituto de Investigación Sanitaria de Navarra (IdiSNA), Spain
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Loo YS, Zahid NI, Madheswaran T, Mat Azmi ID. Recent advances in the development of multifunctional lipid-based nanoparticles for co-delivery, combination treatment strategies, and theranostics in breast and lung cancer. J Drug Deliv Sci Technol 2022; 71:103300. [DOI: 10.1016/j.jddst.2022.103300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Peng H, Rossetto D, Mansy SS, Jordan MC, Roos KP, Chen IA. Treatment of Wound Infections in a Mouse Model Using Zn 2+-Releasing Phage Bound to Gold Nanorods. ACS Nano 2022; 16:4756-4774. [PMID: 35239330 PMCID: PMC8981316 DOI: 10.1021/acsnano.2c00048] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 02/09/2022] [Indexed: 05/20/2023]
Abstract
Infections caused by drug-resistant bacteria, particularly Gram-negative organisms, are increasingly difficult to treat using antibiotics. A potential alternative is "phage therapy", in which phages infect and lyse the bacterial host. However, phage therapy poses serious drawbacks and safety concerns, such as the risk of genetic transduction of antibiotic resistance genes, inconsistent pharmacokinetics, and unknown evolutionary potential. In contrast, metallic nanoparticles possess precise, tunable properties, including efficient conversion of electronic excitation into heat. In this work, we demonstrate that engineered phage-nanomaterial conjugates that target the Gram-negative pathogen Pseudomonas aeruginosa are highly effective as a treatment of infected wounds in mice. Photothermal heating, performed as a single treatment (15 min) or as two treatments on consecutive days, rapidly reduced the bacterial load and released Zn2+ to promote wound healing. The phage-nanomaterial treatment was significantly more effective than systemic standard-of-care antibiotics, with a >10× greater reduction in bacterial load and ∼3× faster healing as measured by wound size reduction when compared to fluoroquinolone treatment. Notably, the phage-nanomaterial was also effective against a P. aeruginosa strain resistant to polymyxins, a last-line antibiotic therapy. Unlike these antibiotics, the phage-nanomaterial showed no detectable toxicity or systemic effects in mice, consistent with the short duration and localized nature of phage-nanomaterial treatment. Our results demonstrate that phage therapy controlled by inorganic nanomaterials can be a safe and effective antimicrobial strategy in vivo.
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Affiliation(s)
- Huan Peng
- Department
of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
| | - Daniele Rossetto
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
- CIBIO, University of Trento, 38123 Povo, Trento, Italy
| | - Sheref S. Mansy
- Department
of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
- CIBIO, University of Trento, 38123 Povo, Trento, Italy
| | - Maria C. Jordan
- Department
of Physiology, David Geffen School of Medicine
at the University of California, Los Angeles, California 90095, United States
| | - Kenneth P. Roos
- Department
of Physiology, David Geffen School of Medicine
at the University of California, Los Angeles, California 90095, United States
| | - Irene A. Chen
- Department
of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, United States
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Saha I, Palak A, Rai VK. Relevance of NLC-gel and microneedling-assisted tacrolimus ointment against severe psoriasiform: In vitro dermal retention kinetics, in vivo activity and drug distribution. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Oliveira PM, Alencar-Silva T, Pires FQ, Cunha-Filho M, Gratieri T, Carvalho JL, Gelfuso GM. Nanostructured lipid carriers loaded with an association of minoxidil and latanoprost for targeted topical therapy of alopecia. Eur J Pharm Biopharm 2022; 172:78-88. [PMID: 35143972 DOI: 10.1016/j.ejpb.2022.02.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/12/2022] [Accepted: 02/04/2022] [Indexed: 01/13/2023]
Abstract
Alopecia is a condition associated with different etiologies, ranging from hormonal changes to chemotherapy, that affects over 80 million people in the USA. Nevertheless, there are currently few FDA-approved drugs for topical treatment, and existing formulations still present skin irritation issues, compromising treatment adherence. This work aimed to develop a safe formulation based on nanostructured lipid carriers (NLC) that entrap an association of minoxidil and latanoprost and target drug delivery to the hair follicles. To do so, thermal techniques combined with FTIR were used to assess the chemical compatibility of the proposed drug association. Then, NLC with 393.5 ± 36.0 nm (PdI<0.4) and +22.5 ± 0.2 mV zeta potential were produced and shown to entrap 86.9% of minoxidil and 99.9% of latanoprost efficiently. In vitro, the free drug combination was indicated to exert positive effects over human primary epidermal keratinocytes, supporting cell proliferation, migration and inducing the mRNA expression of MKI67 proliferation marker and VEGF - a possible effector for minoxidil-mediated hair growth. Interestingly, such a favorable drug combination profile was optimized when delivered using our NLC. Furthermore, according to the HET-CAM and reconstructed human epidermis assays, the nanoformulation was well tolerated. Finally, drug penetration was evaluated in vitro using porcine skin. Such experiments indicated that the NLC could be deposited preferentially into the hair follicles, causing a considerable increase in the penetration of the two drugs in such structures, compared to the control (composed of the free compounds) and generating a target-effect of approximately 50% for both drugs. In summary, present results suggest that hair follicle-targeted delivery of the minoxidil and latanoprost combination is a promising alternative to treat alopecia.
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Affiliation(s)
- Paula M Oliveira
- Laboratory of Food, Drugs, and Cosmetics (LTMAC), University of Brasilia, 70910-900 Brasilia, DF, Brazil
| | - Thuany Alencar-Silva
- Genomic Sciences and Biotechnology Program, Catholic University of Brasilia, 70790-160 Brasília, DF, Brazil
| | - Felipe Q Pires
- Laboratory of Food, Drugs, and Cosmetics (LTMAC), University of Brasilia, 70910-900 Brasilia, DF, Brazil
| | - Marcilio Cunha-Filho
- Laboratory of Food, Drugs, and Cosmetics (LTMAC), University of Brasilia, 70910-900 Brasilia, DF, Brazil
| | - Tais Gratieri
- Laboratory of Food, Drugs, and Cosmetics (LTMAC), University of Brasilia, 70910-900 Brasilia, DF, Brazil
| | - Juliana Lott Carvalho
- Genomic Sciences and Biotechnology Program, Catholic University of Brasilia, 70790-160 Brasília, DF, Brazil; Faculty of Medicine, University of Brasilia, 70910-900 Brasilia, DF, Brazil
| | - Guilherme M Gelfuso
- Laboratory of Food, Drugs, and Cosmetics (LTMAC), University of Brasilia, 70910-900 Brasilia, DF, Brazil.
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Chato-Astrain J, Sánchez-Porras D, García-García ÓD, Vairo C, Villar-Vidal M, Villullas S, Sánchez-Montesinos I, Campos F, Garzón I, Alaminos M. Improvement of Cell Culture Methods for the Successful Generation of Human Keratinocyte Primary Cell Cultures Using EGF-Loaded Nanostructured Lipid Carriers. Biomedicines 2021; 9:1634. [PMID: 34829863 DOI: 10.3390/biomedicines9111634] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/29/2021] [Accepted: 11/04/2021] [Indexed: 12/03/2022] Open
Abstract
Human skin keratinocyte primary cultures can be established from skin biopsies with culture media containing epithelial growth factor (EGF). Although current methods are efficient, optimization is required to accelerate the procedure and obtain these cultures in less time. In the present study, we evaluated the effect of novel formulations based on EGF-loaded nanostructured lipid carriers (NLC). First, biosafety of NLC containing recombinant human EGF (NLC-rhEGF) was verified in immortalized skin keratinocytes and cornea epithelial cells, and in two epithelial cancer cell lines, by quantifying free DNA released to the culture medium. Then we established primary cell cultures of human skin keratinocytes with basal culture media (BM) and BM supplemented with NLC-rhEGF, liquid EGF (L-rhEGF), or NLC alone (NLC-blank). The results showed that cells isolated by enzymatic digestion and cultured with or without a feeder layer had a similar growth rate regardless of the medium used. However, the explant technique showed higher efficiency when NLC-rhEGF culture medium was used, compared to BM, L-rhEGF, or NLC-blank. Gene expression analysis showed that NLC-rhEGF was able to increase EGFR gene expression, along with that of other genes related to cytokeratins, cell–cell junctions, and keratinocyte maturation and differentiation. In summary, these results support the use of NLC-rhEGF to improve the efficiency of explant-based methods in the efficient generation of human keratinocyte primary cell cultures for tissue engineering use.
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Filipczak N, Yalamarty SSK, Li X, Khan MM, Parveen F, Torchilin V. Lipid-Based Drug Delivery Systems in Regenerative Medicine. Materials (Basel) 2021; 14:ma14185371. [PMID: 34576594 PMCID: PMC8467523 DOI: 10.3390/ma14185371] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/11/2021] [Accepted: 09/13/2021] [Indexed: 12/12/2022]
Abstract
The most important goal of regenerative medicine is to repair, restore, and regenerate tissues and organs that have been damaged as a result of an injury, congenital defect or disease, as well as reversing the aging process of the body by utilizing its natural healing potential. Regenerative medicine utilizes products of cell therapy, as well as biomedical or tissue engineering, and is a huge field for development. In regenerative medicine, stem cells and growth factor are mainly used; thus, innovative drug delivery technologies are being studied for improved delivery. Drug delivery systems offer the protection of therapeutic proteins and peptides against proteolytic degradation where controlled delivery is achievable. Similarly, the delivery systems in combination with stem cells offer improvement of cell survival, differentiation, and engraftment. The present review summarizes the significance of biomaterials in tissue engineering and the importance of colloidal drug delivery systems in providing cells with a local environment that enables them to proliferate and differentiate efficiently, resulting in successful tissue regeneration.
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Affiliation(s)
- Nina Filipczak
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; (N.F.); (S.S.K.Y.); (X.L.); (F.P.)
| | - Satya Siva Kishan Yalamarty
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; (N.F.); (S.S.K.Y.); (X.L.); (F.P.)
| | - Xiang Li
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; (N.F.); (S.S.K.Y.); (X.L.); (F.P.)
- State Key Laboratory of Innovative Drug and Efficient Energy-Saving Pharmaceutical Equipment, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Muhammad Muzamil Khan
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Punjab 63100, Pakistan;
| | - Farzana Parveen
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; (N.F.); (S.S.K.Y.); (X.L.); (F.P.)
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Punjab 63100, Pakistan;
| | - Vladimir Torchilin
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA 02115, USA; (N.F.); (S.S.K.Y.); (X.L.); (F.P.)
- Department of Oncology, Radiotherapy and Plastic Surgery, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
- Correspondence:
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16
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Örgül D, Eroğlu H, Tiryaki M, Pınarlı FA, Hekimoglu S. In-vivo evaluation of tissue scaffolds containing simvastatin loaded nanostructured lipid carriers and mesenchymal stem cells in diabetic wound healing. J Drug Deliv Sci Technol 2021; 61:102140. [DOI: 10.1016/j.jddst.2020.102140] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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17
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Tazehjani DAJ, Farahpour MR, Hamishehkar H. Effectiveness of topical caraway essential oil loaded into nanostructured lipid carrier as a promising platform for the treatment of infected wounds. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125748] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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18
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Chato-Astrain J, Chato-Astrain I, Sánchez-Porras D, García-García ÓD, Bermejo-Casares F, Vairo C, Villar-Vidal M, Gainza G, Villullas S, Oruezabal RI, Ponce-Polo Á, Garzón I, Carriel V, Campos F, Alaminos M. Generation of a novel human dermal substitute functionalized with antibiotic-loaded nanostructured lipid carriers (NLCs) with antimicrobial properties for tissue engineering. J Nanobiotechnology 2020; 18:174. [PMID: 33228673 PMCID: PMC7686763 DOI: 10.1186/s12951-020-00732-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 11/13/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Treatment of patients affected by severe burns is challenging, especially due to the high risk of Pseudomonas infection. In the present work, we have generated a novel model of bioartificial human dermis substitute by tissue engineering to treat infected wounds using fibrin-agarose biomaterials functionalized with nanostructured lipid carriers (NLCs) loaded with two anti-Pseudomonas antibiotics: sodium colistimethate (SCM) and amikacin (AMK). RESULTS Results show that the novel tissue-like substitutes have strong antibacterial effect on Pseudomonas cultures, directly proportional to the NLC concentration. Free DNA quantification, WST-1 and Caspase 7 immunohistochemical assays in the functionalized dermis substitute demonstrated that neither cell viability nor cell proliferation were affected by functionalization in most study groups. Furthermore, immunohistochemistry for PCNA and KI67 and histochemistry for collagen and proteoglycans revealed that cells proliferated and were metabolically active in the functionalized tissue with no differences with controls. When functionalized tissues were biomechanically characterized, we found that NLCs were able to improve some of the major biomechanical properties of these artificial tissues, although this strongly depended on the type and concentration of NLCs. CONCLUSIONS These results suggest that functionalization of fibrin-agarose human dermal substitutes with antibiotic-loaded NLCs is able to improve the antibacterial and biomechanical properties of these substitutes with no detectable side effects. This opens the door to future clinical use of functionalized tissues.
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Affiliation(s)
- Jesús Chato-Astrain
- Tissue Engineering Group, Department of Histology, Faculty of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain
| | - Isabel Chato-Astrain
- Tissue Engineering Group, Department of Histology, Faculty of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain
| | - David Sánchez-Porras
- Tissue Engineering Group, Department of Histology, Faculty of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain
| | - Óscar-Darío García-García
- Tissue Engineering Group, Department of Histology, Faculty of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain
| | - Fabiola Bermejo-Casares
- Tissue Engineering Group, Department of Histology, Faculty of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain
| | - Claudia Vairo
- BioKeralty Research Institute AIE, Albert Einstein, 25-E3, 01510, Miñano, Spain
| | | | - Garazi Gainza
- BioKeralty Research Institute AIE, Albert Einstein, 25-E3, 01510, Miñano, Spain
| | - Silvia Villullas
- BioKeralty Research Institute AIE, Albert Einstein, 25-E3, 01510, Miñano, Spain
| | | | - Ángela Ponce-Polo
- Red Andaluza de Diseño Y Traslación de Terapias Avanzadas, Sevilla, Spain
| | - Ingrid Garzón
- Tissue Engineering Group, Department of Histology, Faculty of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain
| | - Víctor Carriel
- Tissue Engineering Group, Department of Histology, Faculty of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain
| | - Fernando Campos
- Tissue Engineering Group, Department of Histology, Faculty of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain.
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain.
| | - Miguel Alaminos
- Tissue Engineering Group, Department of Histology, Faculty of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain
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19
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Iqubal MK, Saleem S, Iqubal A, Chaudhuri A, Pottoo FH, Ali J, Baboota S. Natural, Synthetic and their Combinatorial Nanocarriers Based Drug Delivery System in the Treatment Paradigm for Wound Healing Via Dermal Targeting. Curr Pharm Des 2020; 26:4551-4568. [DOI: 10.2174/1381612826666200612164511] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 04/29/2020] [Indexed: 12/29/2022]
Abstract
A wound refers to the epithelial loss, accompanied by loss of muscle fibers collagen, nerves and bone
instigated by surgery, trauma, frictions or by heat. Process of wound healing is a compounded activity of recovering
the functional integrity of the damaged tissues. This process is mediated by various cytokines and growth
factors usually liberated at the wound site. A plethora of herbal and synthetic drugs, as well as photodynamic
therapy, is available to facilitate the process of wound healing. Generally, the systems used for the management
of wounds tend to act through covering the ruptured site, reduce pain, inflammation, and prevent the invasion and
growth of microorganisms. The available systems are, though, enough to meet these requirements, but the involvement
of nanotechnology can ameliorate the performance of these protective coverings. In recent years,
nano-based formulations have gained immense popularity among researchers for the wound healing process due
to the enhanced benefits they offer over the conventional preparations. Hereupon, this review aims to cover the
entire roadmap of wound healing, beginning from the molecular factors involved in the process, the various synthetic
and herbal agents, and combination therapy available for the treatment and the current nano-based systems
available for delivery through the topical route for wound healing.
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Affiliation(s)
- Mohammad Kashif Iqubal
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Sadaf Saleem
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Ashif Iqubal
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Aiswarya Chaudhuri
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Faheem Hyder Pottoo
- Department of Pharmacology, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam- 31441, Saudi Arabia
| | - Javed Ali
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
| | - Sanjula Baboota
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi-110062, India
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20
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Vairo C, Basas J, Pastor M, Palau M, Gomis X, Almirante B, Gainza E, Hernandez RM, Igartua M, Gavaldà J, Gainza G. In vitro and in vivo antimicrobial activity of sodium colistimethate and amikacin-loaded nanostructured lipid carriers (NLC). Nanomedicine 2020; 29:102259. [PMID: 32619707 DOI: 10.1016/j.nano.2020.102259] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 04/03/2020] [Accepted: 06/21/2020] [Indexed: 01/18/2023]
Abstract
Sodium colistimethate (SCM) and amikacin (AMK) are among the few antibiotics effective against resistant P. aeruginosa, K. pneumoniae and A. baumannii; however, their toxicity severely limits their use. Enclosing antibiotics into nanostructured lipid carriers (NLC) might decrease drug toxicity and improve antibiotic disposition. In this work, SCM or AMK was loaded into different NLC formulations, through high pressure homogenization, and their in vitro and in vivo effectiveness was analyzed. The encapsulation process did not reduce drug effectiveness since in vitro SCM-NLC and AMK-NLC drug activity was equal to that of the free drugs. As cryoprotectant, trehalose showed better properties than dextran. Instead, positive chitosan coating was discarded due to its limited cost-efficiency. Finally, the in vivo study in acute pneumonia model revealed that intraperitoneal administration was superior to the intramuscular route and confirmed that (-) SCM-NLC with trehalose, was the most suitable formulation against an extensively drug-resistant A. baumannii strain.
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Affiliation(s)
- C Vairo
- BioKeralty Research Institute AIE, Miñano, Spain; NanoBioCel Group, Laboratory of Pharmaceutics, University of the Basque Country (UPV/EHU), School of Pharmacy, Vitoria-Gasteiz, Spain
| | - J Basas
- Antimicrobial Resistance Laboratory, Vall d'Hebron Research Institute (VHIR), Infectious Diseases Department, Hospital Universitari Vall d'Hebron, Passeig de la Vall d'Hebron, Barcelona
| | - M Pastor
- BioKeralty Research Institute AIE, Miñano, Spain
| | - M Palau
- Antimicrobial Resistance Laboratory, Vall d'Hebron Research Institute (VHIR), Infectious Diseases Department, Hospital Universitari Vall d'Hebron, Passeig de la Vall d'Hebron, Barcelona
| | - X Gomis
- Antimicrobial Resistance Laboratory, Vall d'Hebron Research Institute (VHIR), Infectious Diseases Department, Hospital Universitari Vall d'Hebron, Passeig de la Vall d'Hebron, Barcelona
| | - B Almirante
- Antimicrobial Resistance Laboratory, Vall d'Hebron Research Institute (VHIR), Infectious Diseases Department, Hospital Universitari Vall d'Hebron, Passeig de la Vall d'Hebron, Barcelona
| | - E Gainza
- BioKeralty Research Institute AIE, Miñano, Spain
| | - R M Hernandez
- NanoBioCel Group, Laboratory of Pharmaceutics, University of the Basque Country (UPV/EHU), School of Pharmacy, Vitoria-Gasteiz, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain
| | - M Igartua
- NanoBioCel Group, Laboratory of Pharmaceutics, University of the Basque Country (UPV/EHU), School of Pharmacy, Vitoria-Gasteiz, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain
| | - J Gavaldà
- Antimicrobial Resistance Laboratory, Vall d'Hebron Research Institute (VHIR), Infectious Diseases Department, Hospital Universitari Vall d'Hebron, Passeig de la Vall d'Hebron, Barcelona.
| | - G Gainza
- BioKeralty Research Institute AIE, Miñano, Spain.
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21
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de Souza ML, Dos Santos WM, de Sousa ALMD, de Albuquerque Wanderley Sales V, Nóbrega FP, de Oliveira MVG, Rolim-Neto PJ. Lipid Nanoparticles as a Skin Wound Healing Drug Delivery System: Discoveries and Advances. Curr Pharm Des 2020; 26:4536-4550. [PMID: 32303163 DOI: 10.2174/1381612826666200417144530] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 04/11/2020] [Indexed: 12/12/2022]
Abstract
Chronic wounds are a remarkable cause of morbidity, requiring long-time treatments with a significant impact on the quality of life and high costs for public health. Although there are a variety of topical skin preparations commercially available, they have several limitations that frequently impair wound healing, such as drug instability, toxicity, limited time of action and ineffective skin permeation. In recent years, researchers have focused on the development of new effective treatments for wound healing and shown frequent interest in nanometric drug delivery systems to overcome such obstacles. In dermatology, lipid nanoparticles (LNPs) have received great attention from researchers due to their great functionalities, greater adhesion to the skin and film formation, enabling the hydration and maintenance of skin integrity, as well as present a more effective penetration through the skin barrier. This review provides an update on topical formulations based on Solid Lipid Nanoparticles (SLNs) and Nanostructured Lipid Carriers (NLCs) as wound healing treatments. Both SLNs and NLCs are able to increase solubility and stability of active pharmaceutical ingredients and increase skin penetration compared to the free drugs. Additionally, SLNs and NLCs can increase pharmacological activity, increase the release profile of the drugs, promote synergistic effects and improve the sensory properties of the final formulation. Topical dosage forms containing nanoparticles have been extensively evaluated for wound healing activity, mainly the dressings, films and scaffolds. Therefore, lipid nanoparticles have contributed in improving wound healing therapies when incorporated into other dosage forms with better efficacy and lesser adverse effects than conventional formulations.
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Affiliation(s)
- Myla Lôbo de Souza
- Laboratory of Drug Technology, Department of Pharmaceutical Sciences, Federal University of Pernambuco, Recife, Pernambuco, Brazil
| | - Widson Michael Dos Santos
- Laboratory of Drug Technology, Department of Pharmaceutical Sciences, Federal University of Pernambuco, Recife, Pernambuco, Brazil
| | | | | | - Fernanda Pontes Nóbrega
- Laboratory of Drug Technology, Department of Pharmaceutical Sciences, Federal University of Pernambuco, Recife, Pernambuco, Brazil
| | | | - Pedro José Rolim-Neto
- Laboratory of Drug Technology, Department of Pharmaceutical Sciences, Federal University of Pernambuco, Recife, Pernambuco, Brazil
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22
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Ugazio E, Tullio V, Binello A, Tagliapietra S, Dosio F. Ozonated Oils as Antimicrobial Systems in Topical Applications. Their Characterization, Current Applications, and Advances in Improved Delivery Techniques. Molecules 2020; 25:E334. [PMID: 31947580 PMCID: PMC7024311 DOI: 10.3390/molecules25020334] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/09/2020] [Accepted: 01/11/2020] [Indexed: 12/12/2022] Open
Abstract
The search for a wide spectrum of antimicrobial agents that can avoid resistance while maintaining reasonable side effects has led to ozonated oils experiencing an increase in scientific interest and clinical applications. The treatment of vegetable oils with ozone leads to the creation of a reservoir of ozone that slowly releases into the skin thanks to the fact that ozone can be held as ozonides of unsaturated fatty acids. Interest in the use of ozonated oils has meant that several ozonated-vegetable-oil-containing products have been commercialized as cosmetic and pharmaceutical agents, and in innovative textile products with antibacterial activity. New approaches to the delivery of ozonated oils have very recently appeared in an attempt to improve their characteristics and reduce drawbacks, such as an unpleasant odor, high viscosity and undesired effects on skin, including irritation and rashes. The present review focuses on the current status of delivery agents that use ozonated oils as antimicrobial agents in topical (dermal, skin, and soft tissues) treatments. Challenges and future opportunities for these delivery systems will also be discussed.
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Affiliation(s)
- Elena Ugazio
- Department of Drug Science and Technology, University of Torino, 10125 Torino, Italy; (E.U.); (A.B.); (S.T.)
| | - Vivian Tullio
- Department of Public Health and Pediatrics, Microbiology Division, University of Torino, 10126 Torino, Italy;
| | - Arianna Binello
- Department of Drug Science and Technology, University of Torino, 10125 Torino, Italy; (E.U.); (A.B.); (S.T.)
| | - Silvia Tagliapietra
- Department of Drug Science and Technology, University of Torino, 10125 Torino, Italy; (E.U.); (A.B.); (S.T.)
| | - Franco Dosio
- Department of Drug Science and Technology, University of Torino, 10125 Torino, Italy; (E.U.); (A.B.); (S.T.)
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